628918957648

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{977}}^1\times {\mathrm{566659}}^1$

素因数の和:567715

約数の個数: 40

約数和(自身を含む): 1236959847360

約数和(自身を除く): 608040889712

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 977, 1136, 1954, 3908, 7816, 15632, 69367, 138734, 277468, 554936, 566659, 1109872, 1133318, 2266636, 4533272, 9066544, 40232789, 80465578, 160931156, 321862312, 553625843, 643724624, 1107251686, 2214503372, 4429006744, 8858013488, 39307434853, 78614869706, 157229739412, 314459478824, 628918957648]

約数ペア:

[(1, 628918957648), (2, 314459478824), (4, 157229739412), (8, 78614869706), (16, 39307434853), (71, 8858013488), (142, 4429006744), (284, 2214503372), (568, 1107251686), (977, 643724624), (1136, 553625843), (1954, 321862312), (3908, 160931156), (7816, 80465578), (15632, 40232789), (69367, 9066544), (138734, 4533272), (277468, 2266636), (554936, 1133318), (566659, 1109872)]